Checklists for software errors, setup, and tool workflows.

Manually Download and Fix Windows Update Error 0x80070002

You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...

Fix VS Code Breakpoint Not Hit in Docker Container

You set a breakpoint in VS Code, run your app inside a Docker container, and the breakpoint is ne...

Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Fixing Nginx Permission Denied for Access Log

When Nginx reports 'permission denied' while trying to write to the access log, the error...

Cloudflare SSL Full Strict Configuration Checklist

If you see 'This website is not available' or a redirect loop after enabling Cloudflare S...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...